An Experimental Study on the Use of LoRa Technology in Vehicle Communication

Among the profound changes that will come with the Internet of Things is vehicular communication. Shortly the vehicles will be connected between themselves (V2V) and their infrastructure. For the full achievement of these objectives, the challenges of new technologies are enormous due to the require...

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Bibliographic Details
Published in:IEEE access 2021, Vol.9, p.26633-26640
Main Authors: Torres, Ana Paula Alves, Silva, Claudio Bastos Da, Filho, Horacio Tertuliano
Format: Article
Language:English
Subjects:
Bandwidth
Communication
Doppler effect
Evaluation
Field tests
Genetic algorithms
Hardware
Internet of Things
LoRa
New technology
Receivers
Robustness
Sensitivity
Signal strength
Signal to noise ratio
Urban environments
V2I
V2V
vehicular communication
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Summary:Among the profound changes that will come with the Internet of Things is vehicular communication. Shortly the vehicles will be connected between themselves (V2V) and their infrastructure. For the full achievement of these objectives, the challenges of new technologies are enormous due to the requirement of high reliability, high speed, and low latency. None of the technologies under development for this application has reached a satisfactory stage be assumed to as definitive. The LoRa technology, operating at frequencies below 1 GHz, presents a good signal spread and penetration in obstacles. It has a considerable range, open-source, simple, robust, and low-cost hardware, vast configuration possibilities, and applications, ranging from medicine to agriculture, do not use licensed bands. The tests proved to have good reach even in a dense urban environment. They can become a viable alternative in applications that require short message transmissions with few characters that do not require the constant sending of information packages. The purpose of this work is to evaluate the communication between V2I, V2V, and stationary vehicles using LoRa technology in field tests with measurements of signal strength, reception ratio, and signal-to-noise ratio. It will be using different SF (scattering factors) inherent to LoRa (SF7 and SF12) and evaluate the influence of the Doppler effect on communication.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2021.3057602